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GCC: Detect multiple versions of gcc/g++ on linux

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Debian/ubuntu systems can have /usr/bin/g++ which is GCC6,
/usr/bin/g++-5 and /usr/bin/g++-7.

The same applies for cross-compilers.

Detect them all.

Change-Id: Ia7b403efbfab60b05c4f27a9011d054d52c3aa1a
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
This commit is contained in:
Orgad Shaneh
2017-07-17 22:35:06 +03:00
committed by Orgad Shaneh
parent efa5a7b6d7
commit 131a796f9f
1 changed files with 30 additions and 16 deletions
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38
src/plugins/projectexplorer/gcctoolchain.cpp
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@@ -44,9 +44,9 @@
#include <QCoreApplication>
#include <QDir>
#include <QFileInfo>
#include <QLineEdit>
#include <QFormLayout>
#include <QLineEdit>
#include <QRegularExpression>
#include <memory>
@@ -66,6 +66,7 @@ static const char compilerPlatformLinkerFlagsKeyC[] = "ProjectExplorer.GccToolCh
static const char targetAbiKeyC[] = "ProjectExplorer.GccToolChain.TargetAbi";
static const char originalTargetTripleKeyC[] = "ProjectExplorer.GccToolChain.OriginalTargetTriple";
static const char supportedAbisKeyC[] = "ProjectExplorer.GccToolChain.SupportedAbis";
static const char binaryRegexp[] = "(?:^|-|\\b)(?:gcc|g\\+\\+)(?:-([\\d.]+))?$";
static const int CACHE_SIZE = 16;
@@ -363,10 +364,15 @@ void GccToolChain::setOriginalTargetTriple(const QString &targetTriple)
QString GccToolChain::defaultDisplayName() const
{
QString type = typeDisplayName();
const QRegularExpression regexp(binaryRegexp);
const QRegularExpressionMatch match = regexp.match(m_compilerCommand.fileName());
if (match.hasMatch())
type += ' ' + match.captured(1);
if (!m_targetAbi.isValid())
return typeDisplayName();
return type;
return QCoreApplication::translate("ProjectExplorer::GccToolChain",
"%1 (%2, %3 %4 in %5)").arg(typeDisplayName(),
"%1 (%2, %3 %4 in %5)").arg(type,
ToolChainManager::displayNameOfLanguageId(language()),
Abi::toString(m_targetAbi.architecture()),
Abi::toString(m_targetAbi.wordWidth()),
@@ -928,20 +934,28 @@ QList<ToolChain *> GccToolChainFactory::autoDetect(const QList<ToolChain *> &alr
Constants::GCC_TOOLCHAIN_TYPEID, alreadyKnown));
known.append(tcs);
if (HostOsInfo::isLinuxHost()) {
const QRegularExpression regexp(binaryRegexp);
for (const QString &dir : QStringList({ "/usr/bin", "/usr/local/bin" })) {
QDir binDir(dir);
for (const QString &entry : binDir.entryList({"*-g++"}, QDir::Files | QDir::Executable)) {
tcs.append(autoDetectToolchains(entry, Abi(), Constants::CXX_LANGUAGE_ID,
Constants::GCC_TOOLCHAIN_TYPEID, known));
known.append(tcs);
}
for (const QString &entry : binDir.entryList({"*-gcc"}, QDir::Files | QDir::Executable)) {
if (entry.endsWith("c89-gcc") || entry.endsWith("c99-gcc"))
auto gccProbe = [&](const QString &name, Core::Id language) {
for (const QString &entry : binDir.entryList(
{"*-" + name, name + "-*", "*-" + name + "-*"},
QDir::Files | QDir::Executable)) {
const QString fileName = FileName::fromString(entry).fileName();
if (fileName == "c89-gcc" || fileName == "c99-gcc")
continue;
tcs.append(autoDetectToolchains(entry, Abi(), Constants::C_LANGUAGE_ID,
const QRegularExpressionMatch match = regexp.match(fileName);
if (!match.hasMatch())
continue;
const bool isNative = fileName.startsWith(name);
const Abi abi = isNative ? Abi::hostAbi() : Abi();
tcs.append(autoDetectToolchains(entry, abi, language,
Constants::GCC_TOOLCHAIN_TYPEID, known));
known.append(tcs);
}
};
gccProbe("g++", Constants::CXX_LANGUAGE_ID);
gccProbe("gcc", Constants::C_LANGUAGE_ID);
}
}